Set of BSA Primary Side Chaincase Cover Allen Screws. This screw set fits the following models: BSA 1938-1963 B31, B33, C10, C10L, C11, C11G, C12, M20, M21 and M33 (Rigid models with pressed steel chaincase).

This screw set consists of:
16 x Allen screws.

BSA part number; 01-4606 or 1-4606

We also stock various other BSA parts and screw sets, please visit our shop.

Bright Zinc plated, best high quality around!

Made in England, all our nuts and bolts are British Made.

Nookys Nuts have been trading cycle thread and bsf nuts, bolts and washers for many years at autojumbles across the country.

Nookys nuts now have a website;

www.nookysnuts.com